The factors of the number 7,172,424 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 107, 114, 126, 133, 147, 152, 168, 171, 196, 214, 228, 252, 266, 294, 321, 342, 392, 399, 428, 441, 456, 504, 532, 588, 642, 684, 749, 798, 856, 882, 931, 963, 1064, 1176, 1197, 1284, 1368, 1498, 1596, 1764, 1862, 1926, 2033, 2247, 2394, 2568, 2793, 2996, 3192, 3528, 3724, 3852, 4066, 4494, 4788, 5243, 5586, 5992, 6099, 6741, 7448, 7704, 8132, 8379, 8988, 9576, 10486, 11172, 12198, 13482, 14231, 15729, 16264, 16758, 17976, 18297, 20972, 22344, 24396, 26964, 28462, 31458, 33516, 36594, 41944, 42693, 47187, 48792, 53928, 56924, 62916, 67032, 73188, 85386, 94374, 99617, 113848, 125832, 128079, 146376, 170772, 188748, 199234, 256158, 298851, 341544, 377496, 398468, 512316, 597702, 796936, 896553, 1024632, 1195404, 1793106, 2390808, 3586212, 7172424.
If you add them up, you will get the total of 7,172,440. Now subtract 7,172,424 to get 16,835,976